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/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#include "zabbix_sender.h"
#include "zbxstr.h"
#include "zbxjson.h"
#include "zbxcomms.h"
#include "zbxcommshigh.h"
#include "cfg.h"
const char *progname = NULL;
const char title_message[] = "";
const char *usage_message[] = {NULL};
const char *help_message[] = {NULL};
unsigned char program_type = ZBX_PROGRAM_TYPE_SENDER;
int CONFIG_TCP_MAX_BACKLOG_SIZE = SOMAXCONN;
static int sender_add_serveractive_host_cb(const zbx_vector_ptr_t *addrs, zbx_vector_str_t *hostnames, void *data)
{
ZBX_UNUSED(hostnames);
zbx_addr_copy((zbx_vector_ptr_t *)data, addrs);
return SUCCEED;
}
int zabbix_sender_send_values(const char *address, unsigned short port, const char *source,
const zabbix_sender_value_t *values, int count, char **result)
{
zbx_socket_t sock;
int ret, i;
struct zbx_json json;
static ZBX_THREAD_LOCAL zbx_vector_ptr_t zbx_addrs;
static ZBX_THREAD_LOCAL char *last_address;
static unsigned short last_port;
if (NULL == address)
{
if (NULL != result)
*result = zbx_strdup(NULL, "address must not be NULL");
return FAIL;
}
if (1 > count)
{
if (NULL != result)
*result = zbx_strdup(NULL, "values array must have at least one item");
return FAIL;
}
if (NULL == last_address)
zbx_vector_ptr_create(&zbx_addrs);
if (0 != zbx_strcmp_null(last_address, address) || port != last_port)
{
last_address = zbx_strdup(last_address, address);
last_port = port;
zbx_vector_ptr_clear_ext(&zbx_addrs, zbx_addr_free);
if (FAIL == zbx_set_data_destination_hosts(address, port, "<server>", sender_add_serveractive_host_cb,
NULL, &zbx_addrs, result))
{
zbx_free(last_address);
last_port = 0;
zbx_vector_ptr_clear_ext(&zbx_addrs, zbx_addr_free);
zbx_vector_ptr_destroy(&zbx_addrs);
return FAIL;
}
}
zbx_json_init(&json, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addstring(&json, ZBX_PROTO_TAG_REQUEST, ZBX_PROTO_VALUE_SENDER_DATA, ZBX_JSON_TYPE_STRING);
zbx_json_addarray(&json, ZBX_PROTO_TAG_DATA);
for (i = 0; i < count; i++)
{
zbx_json_addobject(&json, NULL);
zbx_json_addstring(&json, ZBX_PROTO_TAG_HOST, values[i].host, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&json, ZBX_PROTO_TAG_KEY, values[i].key, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&json, ZBX_PROTO_TAG_VALUE, values[i].value, ZBX_JSON_TYPE_STRING);
zbx_json_close(&json);
}
zbx_json_close(&json);
if (SUCCEED == (ret = zbx_connect_to_server(&sock, source, &zbx_addrs, GET_SENDER_TIMEOUT, 30,
ZBX_TCP_SEC_UNENCRYPTED, 0, 0)))
{
if (SUCCEED == (ret = zbx_tcp_send(&sock, json.buffer)))
{
if (SUCCEED == (ret = zbx_tcp_recv(&sock)))
{
if (NULL != result)
*result = zbx_strdup(NULL, sock.buffer);
}
}
zbx_tcp_close(&sock);
}
if (FAIL == ret && NULL != result)
*result = zbx_strdup(NULL, zbx_socket_strerror());
zbx_json_free(&json);
return ret;
}
int zabbix_sender_parse_result(const char *result, int *response, zabbix_sender_info_t *info)
{
int ret;
struct zbx_json_parse jp;
char value[MAX_STRING_LEN];
if (SUCCEED != (ret = zbx_json_open(result, &jp)))
goto out;
if (SUCCEED != (ret = zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, value, sizeof(value), NULL)))
goto out;
*response = (0 == strcmp(value, ZBX_PROTO_VALUE_SUCCESS)) ? 0 : -1;
if (NULL == info)
goto out;
if (SUCCEED != zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_INFO, value, sizeof(value), NULL) ||
3 != sscanf(value, "processed: %*d; failed: %d; total: %d; seconds spent: %lf",
&info->failed, &info->total, &info->time_spent))
{
info->total = -1;
}
out:
return ret;
}
void zabbix_sender_free_result(void *ptr)
{
if (NULL != ptr)
free(ptr);
}
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